.pc-item { display: block; }
.mobile-item { display: none; }
.prod-detail-youtube-div { padding: 20px 10% 0px 10%; }

@media screen and (max-width: 428px) {
	.pc-item { display: none; }
	.mobile-item { display: block; }
	
	.prod-detail-youtube-div { padding: 20px 0px 0px 0px; }
}